// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys
description: >
    If target is not extensible, the result must contain all the keys of the own
    properties of the target object.
info: |
    [[OwnPropertyKeys]] ( )

    ...
        a. If key is not an element of uncheckedResultKeys, throw a TypeError
        exception.
features: [Proxy]
---*/

function Test() {
    var target = {
      foo: 1,
      bar: 2
    };

    var p = new Proxy(target, {
      ownKeys: function() {
        return ["foo"];
      }
    });

    Object.preventExtensions(target);

    assert.throws(TypeError, function() {
      Object.keys(p);
    });
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}
